3rd Nine Weeks DCA Review- Mrs. Bellvin

What is the speed of a turtle that travels 10 miles in 5 hours?

• 50 miles/hour

• 2 miles/hour

• 5 miles/hour

• 15 miles/hour

What is convection?

• Hot, less dense material rises, while cool more dense material falls

• Allows for the movement of tectonic plates across the world

• 
  Helps in the creation of new land forms

• All of the above

If a person is picking up a book with the force of 50 N and the gravity is pushing down with 15 N, what is the net force?

• 50 N

• 65 N

• 35 N

• 15 N

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NGSS.MS-PS2-2

You and your friend, are playing tug of war. Your friend pulls with a force of 55 N, to the rights. You pull with a force of 65 N, to the left. What is the net force on the rope?

• 20 N, to the left

• 20 N, to the right

• 10 N, to the right

• 10 N, to the left

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NGSS.MS-PS2-2

Newtons law states that for every action, there is an_________ reaction

• unequal and opposite

• stronger and opposite

• equal and opposite

• equal and similar

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How is this an example of Newton's Third law

• This is not an example of Newton's 3rd law

• Only the ball is using the head

• only the head is pulling the ball

• They are both exerting an equal force on each other

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Which inclined plane requires the most force to push the ball to the top?

• 
• 
• 
• 

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How long did one of the runner's rest?

• 8 seconds

• 5 seconds

• 13 seconds

• 50 seconds

During which interval is the object speeding up?

• D to E

• B to C

• E to F

• 
  A to B

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NGSS.MS-PS3-1

Which of the following statements about a skier skiing down a steep slope is true?

• His kinetic energy decreases and his potential energy increases

• His potential energy decreases and his kinetic energy increases

• His chemical energy increases

• Both his potential and kinetic energy increases

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